It’s is 6 because I added it all up and all you have to do is division
ANSWER

EXPLANATION
We want to simplify the expression,

Let us expand the bracket to obtain,

We now group the complex number parts and real number parts.

We simplify further to obtain,

This is in the form,

where

and
Answer:
6.1
Step-by-step explanation:
SOH-CAH-TOA
cos35=5/x
x=5/cos35
x=6.1m